{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "30263",
    "entityType": "User",
    "nonce": "0x593c4f97b3836232bcde7b90d967dc9d82b301684d79619c544767b87c967831",
    "signature": "0x5ac4bdf8d5af12ce4bd72d017ced79d35e0999a5465dc27c9b51ba414f83de6e47d360f997754933ba10e1b9be075e75b9944beb87e25ecafb0e2b4bf1b1084a1b",
    "signer": "0x6Ee7842A432b779E1Bf51F27B824fe86161cee6c",
    "userId": "408407824"
  }
}