{
  "manageEntity": {
    "action": "Update",
    "entityId": "567684694",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x490890ac237fae35752e00c8cba5f2205dabf163244f005ab54831bc19de4ec2",
    "signature": "0xda6a55238ebb83b3b0b9bde78858b9f50d93bdccf5f9936b1d8b61d006ecfee67ff15c6880af092624ff6807b8856f5063a7c60ea94860d9fa1bb09827f7c93e1b",
    "signer": "0x925631F424aC20FD207cb6E12010AA40C60fA2c2",
    "userId": "567684694"
  }
}