{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "608016415",
    "entityType": "User",
    "nonce": "0xb21097f94ce0ebd59753664ae329eae6a66284d58bad10fa1f9e515e0e885fe3",
    "signature": "0x3852d750a8584cdfc297cf11d441dde23d34c682a547dbe69f663ddc71dcfbce03de41bc807e72c54e85b6d53186dcb5c034abd57c7b802bfb5e8b875727a4a51b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}