{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "128172",
    "entityType": "User",
    "nonce": "0xcfbdbd4faac3c80b8e5a516e8b25f6abbbaa1645aa9768abba2ba8817ca161db",
    "signature": "0x63c62e3db575532f5d67181e3bd2947bb4840a037ba5e7eaa56934575eee691f455bdfe99996af2523799e667b914d77ba55c95efbfd6879953da0f14e1b27051c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}