{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "706225",
    "entityType": "User",
    "nonce": "0x634b015c39345dd2488184329f5478c7b57da06ffaa54d47a39d39103f6e0b65",
    "signature": "0x8844a2a657c69c7f5d96ad43d3709e47ff0e5996b3aa2df2056e9000f294cba36f36e607bb4159841f4a9aeac60e7a56d9d39dcdc4cffb684cd62ec5653dc4f41c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}