{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "985168351",
    "entityType": "User",
    "nonce": "0xdcc271899bb3db2375a92dd9cb2ff894f815adc1b6a9741b0ce6f527eb7f93c8",
    "signature": "0xe27d7a9e9164e331b255e04c7d6a189ceba55fdcdce80e2db826ad434176d43769fa6ae958708d849714ab8a9aaf0e8435558e736961759b21345d22bf7eb43c1b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}