{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "847467862",
    "entityType": "User",
    "nonce": "0xfa7a4eeeab038275ecdbb5984ec97ed979d20ed0d8d607463ab61e4d4032b1d3",
    "signature": "0x0aef31df0598414c2e7255495cb08ea63624fab30532f245be85b62563a888877eda56612f2406b836750a1462dd762ca590fa6b0465230f6280aa4c3edfb9091c",
    "signer": "0x16adDC5a502eaE2B8AB91bA4ADdADAce74Ad1418",
    "userId": "902283916"
  }
}