{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1036471",
    "entityType": "User",
    "nonce": "0x282e8171cf9decb053dcd82a3de08516968a5445b47fbcf93469a6f49af391bc",
    "signature": "0x6eccb8e564e6653afbae9eb1777ea7c622a376f1449bf3fd4a213c7e1d81ee6649351572832893bb1a4d31b11aa851d5b72beab0e50b01d55d76f26baca954a21b",
    "signer": "0xb001DCb64Bf57b3EcC76C4Fe5AbfE2a8B084D6ba",
    "userId": "641557420"
  }
}