{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "19048",
    "entityType": "User",
    "nonce": "0x7e4d5c1905a9b0f0d53ce90c24a5f5265a7f5331a4b49e0f04c037ae29d39ba0",
    "signature": "0xd47b92d1f11a9fadaad2355c0ca6f3a6cdba7d7c6b5876978bfda6194a4e237912b3790f09b9898d956e93ff4f7ef4b3865f0ef58a5323cab237501cd5593ddb1b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}