{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "568518925",
    "entityType": "User",
    "nonce": "0xdccead941abf4b4fe5b783f9f6de0aa781a3ce56a34caa4e12e930f2896e35e5",
    "signature": "0x037167f4d8eef7e0bdf2194e5111adf41711d16551259e65e09f694027f72e4d32bd4146317857ed237e11060fcbfee8f42763fc1245108b9baced2ba4e932241b",
    "signer": "0x12705C8Fe8CE886CeFEFa0d4d46E906f2c35C954",
    "userId": "477934274"
  }
}