{
  "manageEntity": {
    "action": "Update",
    "entityId": "8952645",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x39282c13447ac1146c3006516bc84c99f8715c119408a615638b6b3392211f55",
    "signature": "0x5fb2334c6dc96c6f0278da05bd9306b4afaf3cbf2c8d6dfe2b4489dd39940dcf655e55964cb034576788a72b46324cc1321fa4937ca915c2290f5ff748b044461b",
    "signer": "0x06Fc53E9F670c7467FF654A4C068a5f0d083d04E",
    "userId": "8952645"
  }
}