{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "982755057",
    "entityType": "User",
    "nonce": "0x6088cd6f1f3611df97051c366c27d4039290f739f8d0d7c01629c947d77c0ccf",
    "signature": "0x2e5cbb1e59315cc4521dc282e83e9b8e0af8135190c198e0f1b1f769fb5fc924719d405590f23d44aa698c37025177dc49111319dc6ba8f9771c7c92fc2aeae01b",
    "signer": "0x7F2Def7120742250a542ec1DF9800Beb2C7A7d6F",
    "userId": "973445479"
  }
}