{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "765901034",
    "entityType": "User",
    "nonce": "0x28f36f2201a4b821fb3cb0c74f37ae06eb4aa6f8821879851b23e324a068f4ba",
    "signature": "0xe706701d6b227ee61b9e88c05bd9cd76f142a3c348701b75a8cbe550c963f41d43a02c00420aa87417a0b4930a264cecfb48d8beae4356f5d3a9a5e3683cb31d1c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}