{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "14514",
    "entityType": "User",
    "nonce": "0xa3a66135a092c8fbe7738863e86f58d2c8a51d93255edff0bd5363f634661a20",
    "signature": "0x2634e9f59422ca38c50a14ffcd6a517820c09d07d901ee5264b319585f1dc6487ed231e1f2c14cd69255b6c07ace9be5d7fcc457c42731221c40900fdaeb43b31c",
    "signer": "0x5823e56644991c5f5f29870830175996Edb011c0",
    "userId": "433764837"
  }
}