{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "30263",
    "entityType": "User",
    "nonce": "0x1dc667912daf0436c632f43076963036b11d73522945a2f8768f570794380472",
    "signature": "0x491a4dc0904c686489e29e7235c3573193cf5fed3c2e058bb2c28a370b7ce1d0049ce7d993a0159bc8865201478c3caa158c78bda4886787037b3fb358497e421c",
    "signer": "0x6B3fc364E4fD66E8aaD9cf933429F39b6C971b15",
    "userId": "429038292"
  }
}