{
  "manageEntity": {
    "action": "Update",
    "entityId": "96425053",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x3561ce14f4e514ab41816f76c0e905357bd194bf015606e452ba659163762baf",
    "signature": "0x5b8f7ce968c471b69231cd2c8ea3ea2494e64089115b60badbb316a4ca6896e51eadd3f998525d4d425b6355010c4c8ee6ec0f12fc2bffea8bf699be202987111c",
    "signer": "0xcaA9319EdC20e78C9B29234C2C99a33bdB2C0043",
    "userId": "96425053"
  }
}