{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "306603",
    "entityType": "User",
    "nonce": "0xe79dae90d53e02d3c1963ffb5d1eae872caece7f73e8919680683855f98404a8",
    "signature": "0x011e36d0e3ed27b6c8fff275ce95479562df9ad3d572c9f0823c7940d7be1b253332e30e200c0f15c2012d0f63b6d8e13f2aab13b18df0b1da3468837b8ec40d1b",
    "signer": "0x94d1769762bc3a1e7DCd3e8a31C89Ff199833Da6",
    "userId": "715573876"
  }
}