{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x5f5149633ba7c0e0ca8330aee6373b87e3aea8f2c3915edb21a716e2a063232e",
    "signature": "0xd81e09ba302de27e21e2e64dbb27f3e1839f10190e52b160a233c0e7d207b52e7b96385478b083bca3b176b7f491dc664caf4aac9c2b6ab5aa26bb2bf40fd1dc1b",
    "signer": "0x92E6B036F6E4483CE572bc36Fa0d8D832113eD4C",
    "userId": "641379477"
  }
}