{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "62120",
    "entityType": "User",
    "nonce": "0x16e71123d5063d21cf504f57248290e3e54374198eb12f2d622b4b90a7a4ea13",
    "signature": "0x3b2722728228265619515027df8dbae24b8f05210e1d890f30e0592e0086e0840f586415abac3cc7ad8bb5a2918e257d9cdc01099f6fc4f754f156e320dfd1491c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}