{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "246891",
    "entityType": "User",
    "nonce": "0x29752db7a97b75bb24635851b0a7d3a911b5db2c879f5eb140203e50a607b99a",
    "signature": "0xd8e1b4681c94ad097f73aa27ede9e9da9c7400861d4cd2f0ce956be5998966500960afa6d71b10dafe85a1677fb23b5d3626df809fc892ae3941069d59bb065a1c",
    "signer": "0x14A55CAAD52a18f76025A94865ce06ED8A0Ea2cC",
    "userId": "653598798"
  }
}