{
  "manageEntity": {
    "action": "Update",
    "entityId": "933290337",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7yhxquxzxfxd6kpfzsbu6wv2v2igmegpdjtkndpes4rp7d6mmcca\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":790820536},{\"type\":\"playlist\",\"playlist_id\":1468630324},{\"type\":\"playlist\",\"playlist_id\":1486299517},{\"type\":\"playlist\",\"playlist_id\":1273557857}]}}}",
    "nonce": "0x21c2d73d7e61a0c1fe15dff9b053edaca8254e139c56f290f3863f248253d34a",
    "signature": "0xb6d915fc3deebea06e592410f827238e6e662ab1ecb2d415f65fe16d45495ec82adbc90ce0f0b5a635f6625f0e0b1ffec00108906e948ee5fd10c4f8fb44440c1c",
    "signer": "0xaD6Ea5f8D94c260aCEE3ad53cb05E821c81C0C01",
    "userId": "933290337"
  }
}