{
  "manageEntity": {
    "action": "Update",
    "entityId": "147826360",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera4folsyj2vc7amqb3ilhr6epdrnhyxi53d2n3ucg4qzsb3urodjoa\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":175921508}]}}}",
    "nonce": "0x01f45be2111ca195454dbf6b0df2427f0f1deb820ed9d17c1498ba1c40c741bc",
    "signature": "0xa1ab822c4654057e53d44fd8a631f5facac406e0b269090c4f131db0379e2465598f785d1ecac95eee53d5e3f0db280b2f8bc481bdf3b28a0e6f92c61efc46061b",
    "signer": "0xa689DD300BD9009E0bFD6a219279d9F96c87BF6E",
    "userId": "147826360"
  }
}