{
  "manageEntity": {
    "action": "Update",
    "entityId": "361863287",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x35fa4ba2497b387c31feede61314fb9569cecb6cb4f795dfb12e83901c57e3f3",
    "signature": "0x21b4588038c7ffd7d512b1cc4c5b13c17ba0abf6188cdd25a9a1330bb8b835e90c4c7d3730a0cd524df9801ac16daff83aca3de2c04d932c6a147d7ae1928c111c",
    "signer": "0xD04B9Af842d7EF33ca555a6aE50FC6Ee08E1Ff0c",
    "userId": "361863287"
  }
}