{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x70b92434cecd5fc2e9ff9fc2e260ac9cc0d0cb88652b8c4be6c9d0aa21665c1a",
    "signature": "0x4f3f70afe151c1309a8d17419f287ac48e0181f82df031219d0372113904a1121a464dab87e41ec8a66297667ef7c6de6e029200b9edc1dbd2aa3fbae787b66c1c",
    "signer": "0xEf792a7Fd5Ffd12D72cB27292EEeEEC2a69d3E22",
    "userId": "156979855"
  }
}