{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1831424",
    "entityType": "User",
    "nonce": "0x2b067105bef503e970cfdd788bb03cf7d335e9f662876c90cbb18f49137761c9",
    "signature": "0x33602df9871ef100f243b6c9abf0e20c94b22013713e4d37aaa813d97040d3a30267b952bb2b2a069bd0253d2be8248486498f428015ab6a87707ddb32037ca31c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}