{
  "manageEntity": {
    "action": "Update",
    "entityId": "696978255",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb79f643f733459268138b8f26355d223051b160ec33f7f7720f5317d665294a7",
    "signature": "0xe02143670d2d3feceba796eb62b05ffbdd3a301a983692e86b638950dea364896f04ffac04421955cc1d177c9e8e816ce8cdd2c04a78ddfe19b20becfec7543b1c",
    "signer": "0x60495664C60cF8427e991465f31ABe2F9dC345A5",
    "userId": "696978255"
  }
}