{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "827420993",
    "entityType": "User",
    "nonce": "0x19637dc3db0c62a466002a2276cb8560b0800d36f73f02b00f5c6349c49d901f",
    "signature": "0x1cce0163481ace8c77b26336f7664972abd3c3e81b4faa556ce6fed965bb7a987adc1bf3c843ac0428cfbaa554529b64d02f03365875327376be8eda3e31a9551c",
    "signer": "0x1d99b1D22cD500D165B1A1CF625E3528a447A82B",
    "userId": "22193"
  }
}