{
  "manageEntity": {
    "action": "Update",
    "entityId": "701658804",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xac3c5749676fc2c32da68bef73b7d70f28281af5cc4c0959e714a383e19456d7",
    "signature": "0xbe36d4c0a9c1308a5a6c35eef29aef237cc8c0a9fd1e709c03fd9184d9c97eb108fa1d4a759767b7691cf4b3a679c642aa036e0caadf1e0366e47c56c293a9df1c",
    "signer": "0x68833ff261f5D2053c7f70f344CF3317811fa1A4",
    "userId": "701658804"
  }
}