{
  "manageEntity": {
    "action": "Update",
    "entityId": "243114379",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb7133174ad549b084e9ba20a868d30eaf0e91dc19b507cb679afad8b8266820a",
    "signature": "0xfc9c473cf2243261b1ec864cdbaa70ed56a57aa3a84a2d778db51da487d0881a49befc0f6354a9dcefd86eb3b37c080fe886d4d66cf5e304305abde56699d1a01c",
    "signer": "0xCca03E7a7DF8E3D6fCfBFA90F5735F6e8e2812c7",
    "userId": "243114379"
  }
}