{
  "manageEntity": {
    "action": "Update",
    "entityId": "436346759",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xa20c46c523819c315f5b88a7538e595453e3302def5e7e11e6f633055a76a5d3",
    "signature": "0x19022ac3aa92784065f06614e8820037f3ababb7de4f9ad4049f458ad30be91e1b72b60047fc5e4ffd28f24024da71ef0b342d7048e002138e9f0bcd0b429b281b",
    "signer": "0x6a358C2211F9B6b563eFA2C0d5222F1c1cE19c7d",
    "userId": "436346759"
  }
}