{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x2357b8023abd49f5278396799de2f48625c8141692e60af48b2cdeaf04678b1e",
    "signature": "0x30ede457bbce9e66fe9dda4ec25c7cfa68166e041d39b1533e188787f9b506031574be50c97d1749ed035cfa57109004d52934efb9970c8ac08f2780dce1b63a1b",
    "signer": "0xe1bD810eC1F3B2421a94AEC1D909e87d69795851",
    "userId": "233794474"
  }
}