{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "294860",
    "entityType": "User",
    "nonce": "0x0af656226fb99b45619e7d7d99778e6edbe34c0df8ae8c2079cb730aa0666844",
    "signature": "0x70fd384777ab4cb75066ffac45a8e60c38e7ee91df8637106c2f76f57954218233920b1fec10d66539a08b109be4c9498ec26d1847b6a6940c8425bc1b72a8191c",
    "signer": "0xA5594f75935B53086a8f3231b314C131605FEDA6",
    "userId": "140185425"
  }
}