{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54795",
    "entityType": "User",
    "nonce": "0x5b655e7a9c443aa07ebdf6eb0a09b81e60dd42ab0567371ebaf4aa593de6d785",
    "signature": "0x2535d5b13bd51340e6f8d772077501dddde1a894dbe70df416d99e9c2e2afc226a8aec07e79c614abba1447185d2cd01da779d4f97eda10c75e493efa9b7e8a01b",
    "signer": "0xF7628Ea36C0C266E289b7538b033fB949A6C31ff",
    "userId": "386745392"
  }
}