{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "182601666",
    "entityType": "User",
    "nonce": "0x1723c66c0fba358784435f1d22492bc3015e5a943e7070553c131b5c9e5f54d1",
    "signature": "0xcfcf6345463a26797dfa9086c3e222a4d9c761899e8208626c79f10f6218be6e1d0a506d1f75a56fb3423515afcd1884392b8a03228f84f6a290fd629ae706191b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}