{
  "manageEntity": {
    "action": "Update",
    "entityId": "293137833",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xaad5d0ed0875d8600b0943dbe478a172bebfa8bdc1710dcbd384a44a6313900f",
    "signature": "0x226b3abdea9a6ef4a4a4ece36f7e7d8270894ac48f341c64eb935ef53cfe8715044c9a1dd6556090ba5054ef2b5204cfe058d434b913a5ed76d6a8edab42648b1c",
    "signer": "0x9139bE80Cf6D934A072B63279dcE183f715CA770",
    "userId": "293137833"
  }
}