{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0xcbfe8e9b566756266de6524658743ffc6f5c64ef8228085b8d85f6fa7790862e",
    "signature": "0x36eb6ac9435931065dce9e6ad58813d3522cbbe1106f9f42e1911e69fc7b497316eaf728b6e8d88a6712f179e38b558062056b283ad2281f4a690234b188b8231c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}