{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "386745392",
    "entityType": "User",
    "nonce": "0x0b3bcfa33e0918c0dbfce8785c3c7c2ecc2c48531456d8322cb38a975abccbd8",
    "signature": "0xf47bd2cfb3b047e7b0257f27e72db8c28776b160816c23a7e8c70ab8ce8d4e2135b16fe36ae1dab35bd8c07961122266fbea2ed9243ff22f833410bcf5526d5f1c",
    "signer": "0xb0bc7585AC84F169814851A3C22d8d92D133337F",
    "userId": "267657235"
  }
}