{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb959fea9da1d575dbb14fdbc73c058048ce13a206a840aef890f35e93267e47e",
    "signature": "0x7fb1c872cb53e86c0033cc67deae91db4c211efeb10721659a5029eaf6aea72b1f566aa77e9e7b38212af810e3563292c6c02c8d485ab4b1d1db44f76641c8251b",
    "signer": "0x2AcC4e32e3E5285B2b411A0B49405260ce0f21D1",
    "userId": "419493196"
  }
}