{
  "manageEntity": {
    "action": "Update",
    "entityId": "633091866",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieratds5du6qmzkaahdqxwbypctyf5e4o7taqfqw27fjog7ilc3aknxq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1670814238},{\"type\":\"playlist\",\"playlist_id\":536433241},{\"type\":\"playlist\",\"playlist_id\":140294347}]}}}",
    "nonce": "0x4732fdd7638922019e99109df4780fe325034b05591137fa20b8180f7fa6cb0d",
    "signature": "0x3ec2a96829ed573e915e78e82ae73fafa959b3c069162760aa4751de5110de0317f28c85bb378b8996308fe2eb564ac005e583eabd39a07f3862bf04e64c42b81c",
    "signer": "0x1e34FE2451eff09f82Ae41cc0A33EBD08D93fb54",
    "userId": "633091866"
  }
}