{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6004",
    "entityType": "User",
    "nonce": "0x86213ebf4523874b3e1c6108293d0d693432965108dcb9d2784bfd3c5fe1a17c",
    "signature": "0x91f05b4ac9d807ee03b6c003ca03d4f90780b63c049bd57651ac85d1067c28465a401c10fab5533f73641a11c677cc65a70e0091af7c5d828e512cfb867ef81f1b",
    "signer": "0xAD946b49DD63583180EF36B4e92703f717684d6b",
    "userId": "1112761"
  }
}