{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "656080122",
    "entityType": "User",
    "nonce": "0x03d94456c3ab0ef58e3c99feeded33f50c3e45a9da64bf783512bb60a80e6fec",
    "signature": "0x846450746eb5c7a317f6592e90d29b050f20d12f6fddab35dc942e022c8ba8751bbfb11c79903381c577702483de14e7e98905e9b4b28ea2a622e2cd17196d721c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}