{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "43430",
    "entityType": "User",
    "nonce": "0x063a9a2aeb5a67ccaffd2fe738cda594df5ea3fb6b7a3d34b15e13bc4a48bdd3",
    "signature": "0x55336baa2ef69e85d8c36720e159a816bddef257d007c0b6e814128df71a2b5a18e6095dcff97fd4a06a646bfb444252a59c76586c5c5ffee6ae8004b6bbc2021b",
    "signer": "0x52F331C086a11941E738a6C86d9F127E934dDEB1",
    "userId": "281470566"
  }
}