{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "168296",
    "entityType": "User",
    "nonce": "0x8acf6a67a0447c780afdb24d5793f13f00c3e0e0efcf913accc38cb11ba10a14",
    "signature": "0xafa3457adb2c29a784249afc32304fb22157b09d6016dbe1a597fd4fddf17ad26d3076253afb5444ed506afea11bf92482bc9e99853c92c09d7ac31d0ea1494b1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}