{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "231844",
    "entityType": "User",
    "nonce": "0xadd72d54b7c7a3dcf92cddec7c6204ef50ffb3eda05381ffcacefbd1cf813b48",
    "signature": "0xe46317340187df87f5d6071e7d62296c9fb841d1de921b3b3a48e3a4d040a8e7029d36e3ea4b4da8505f6556804547ce95e10e4ce751c9493fbc7bc8835755f61b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}