{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "806",
    "entityType": "User",
    "nonce": "0x0587cb7de3d1aeed1b191e6b412191778069b4258e303661da411ad761fbc3a9",
    "signature": "0x566ee5ff78743437e55bf7ec708dbf797e3abf9968adbfdb79416bcb083c408a0f309706a079bfc0a8d6a67d05887a6d7cef1fb1009f4ee40aa4daa8e121f1401c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}