{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1739285",
    "entityType": "User",
    "nonce": "0xce2fd039cd2c4a3d51a60c3e0bc8d6dce35042356fc6329fa54079d773593432",
    "signature": "0xc28377a499bd86bbeebab432813bfe58b8c4264d4cf207fc776071f4c670c7ce6764c48bd069c79de2ebe8581bfe202a08c3ef69cd97502839f1910bff26e7ad1b",
    "signer": "0xfc7b754CBb5e42d94a7064c0FD31cF7c5c99afE5",
    "userId": "992932046"
  }
}