{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "854614078",
    "entityType": "User",
    "nonce": "0xcdf3673624cbf309fb73d80a5eab7758e26a86cd8bd3dc6c32d2e776992536a7",
    "signature": "0x2c3c70b8956aacd61584a868a3c04c25b5e0ea66df6f73bdc424ba2e4770c6be269a06c264195e0a17096671aafee8cd1abffd415bf57d509dbaff3f8c6fba291c",
    "signer": "0xF51BBf2D093bbC94555bc2299Ae53Ce8F7963374",
    "userId": "38277"
  }
}