{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "783252567",
    "entityType": "User",
    "nonce": "0x7b90702f7a38017c8a0dd19f65a7a72936bd5807c7be57b76c38039ec3502d26",
    "signature": "0x419055ea51ef421d619721c4b32899d75607a460f779e57c450c014bd83a0f7821143d671eb98ef41af30c5f5b66b2498140d25e52d3f0ec1d2315b785cd225a1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}