{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "486490947",
    "entityType": "User",
    "nonce": "0x3c142925e3b592d7a3c296bdc068fa9e7335f57d8669abd74f1e61e9a9ef15d0",
    "signature": "0x76ebff82f144235f8be8dfcd441c8b7b4908b34d7e49cfa25c74ec49a32b92b1457708fc6cc3a65b4704616bcde3b31ffe7c225db1255862699741090b78512a1b",
    "signer": "0x1D0c500EC847246923045cB0a285242A93723f30",
    "userId": "302385956"
  }
}