{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18122",
    "entityType": "User",
    "nonce": "0xca0546f4647a36281baf674e0706a020944067868b0c2ad01db5840e48f858ba",
    "signature": "0xc6636994e1319a8c92f87b8e36dbdb9d4cb1fb8b8033e6058bc92d072a4babd734138b50c28146a3aba624ff398686fc13844b38d2a778a05076848237cfe9dc1b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}