{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53860",
    "entityType": "User",
    "nonce": "0xa1e8c1f1e454be729b628a4eae13b8663d5e92018c94cbe1a470fbd537b70fed",
    "signature": "0x3836004de3ef1e263cfad2690d28beffba2b441366a50191c2f13ecf66681bfe799d187b3a6342bbba26b43273c196200ac5ba1eb5d7f525e9f41c77c8e7ecbc1c",
    "signer": "0x90FD14E5f569756111EE3AECbcE1AAb95c2A01da",
    "userId": "86867162"
  }
}