{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18393",
    "entityType": "User",
    "nonce": "0x88c0c6617e149dd1eeea320132014aa6738ba275c4b7e058f11cde1e30e9659e",
    "signature": "0x7e8e67862c1deef85dcf1efd56e8c40f6d62ded8fb4931b1e9fe5bb46278e71132c13259d3e56f2050899da93b85912b5043dd5bbdd73428787ad34b3aaa82801c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}