{
  "manageEntity": {
    "action": "Update",
    "entityId": "229563015",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieranicmxctv7vy7hourxr2djgtujwabw4b2rizx2rgabrrlia7qkiqq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":127472074}]}}}",
    "nonce": "0x859846575b2b76b1ec8c9d8c306e6243cf7fae36adcc351cbfec4c98f412fac9",
    "signature": "0x15d3bcc4f161b10780ba9c832465cd021af8865667e6a4faf59c9c6ca000386008d73303973feeea8164160797c7a15ade1fcd6eb2bba78b7284abe56fb29a1d1b",
    "signer": "0x9C307310C822c2d438839E226B07f6D92B6BD560",
    "userId": "229563015"
  }
}