{
  "manageEntity": {
    "action": "Update",
    "entityId": "833768912",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x83b6e306152f8e04cca95b6eda1ab80db4eb74a07a214ea5e364d75377a29d2c",
    "signature": "0x94c9dc0f2ed4734f5c502e38e4a2c840e50b7eac955ed993b5f084f8d2236bbf747b540be7afe53e300b8998eed64d8954657e4c0099ddae40f9fea0b22f38341c",
    "signer": "0xe1BFA9491Bc5d4Fb361d6b7Aea772452417D37B2",
    "userId": "833768912"
  }
}