{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "373765",
    "entityType": "User",
    "nonce": "0x4630c0805c7792d654599c8c8280fc929998b9ccd81b9ad705b03d6c8253be0a",
    "signature": "0xd0bcc039cb285a1ae1e04d8a23d84ca41a908f3e6f8cc7f989ab99bcc372e6510c09da7aba3c48be2903e2625dc964ae840370431f4db547bad673383c0a96031b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}