{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "696716320",
    "entityType": "User",
    "nonce": "0xda3d6da5490b96d69950c3fd489b4eb251db293ad07fa9807864ffe4866dd6fe",
    "signature": "0x97636418423f4f91ac5dcbc6f1c3f1bd5cef6c6979846ecf076a26782fbbdf0a3018034a40d09559cb6352ae4bb40b2f0759d1e56ac63a84d3cfc4b4398046571c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}