{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "446645802",
    "entityType": "User",
    "nonce": "0x449be9417cccd9ddb616dd727186ff9263f429414b7595661d8e33a0096b77e9",
    "signature": "0x9b59c3ed1b688903add6cc80c0f0101ed2b4a6b3f388d8a74506a4b4418b1cba704f27c4e6f73dc5fec031399c3fcbbd136f0bf50e6a7f61da9fb26682195a901b",
    "signer": "0xa228dA0794005c958cFc691a6808417E21E60Aea",
    "userId": "151623966"
  }
}