{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2029295",
    "entityType": "User",
    "nonce": "0x314c8a3ff38d521b3678004d26bb37c67b0133171108dd476216f98f440d7bda",
    "signature": "0x1fca32dc26398508362f7f267a9248cb7343a0744b0910c883a2b3972d57c97b20b6285018491cd32fd4f5db26180ddd601bf1e35eb9d99d2abedd6beff963ca1c",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}