{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50314828",
    "entityType": "User",
    "nonce": "0x7423dd03f3e3a28022753f5a607404a056d536127fff6b4c890df14ecd2dd574",
    "signature": "0x815eb07ce769717aae397ba8f26ce355694657f7a9425310c2c3f2fc6c2be7cb5b1f605956d363ca85ea4788f8b4b3cbf6f13b1ed66a5ac07dbdfd2a6ef69b6b1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}