{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "956002390",
    "entityType": "User",
    "nonce": "0x2f57493a2318ee1ec1fbe755485bafc17d83ef9172e9eb4c31ab4920b814b606",
    "signature": "0x02ccdec49ba2339b3026a95a86f36aa3736b7d3b16c082ca10a4667486f0c0642a0a5a403cc4b0e12c7e476fa4b0f01dadcd6843f7d821d9d68fb12e8eaaf0881b",
    "signer": "0xCedE64dcD8b0FdEDBdADF4b0ba433797eD6301c9",
    "userId": "638733607"
  }
}