{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "785213",
    "entityType": "User",
    "nonce": "0x39cfc8e6e14a315d2c6d0ca485e7d6e68fbee908be1609121fbff2c965d8efd0",
    "signature": "0x3dea7d4f4d90372ab782dd0023071c4ea1bc62e9fde7ad21344488c86d27d1ac57d76f4dd92f3cc3860785607baa99bae0616d704de6eca357a62b345014ecdd1b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}