{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "12442",
    "entityType": "User",
    "nonce": "0xa14dda6cd003e57908aadc1d406ee3106bf15ec42f806a0b99c24277659b0824",
    "signature": "0x2179ac0c524601472e18a08991369957b047eb96f9b041854a39acb7721c85eb15e1419bdbf3428599c4715b83b9abe3b8550fbd7341d808ad94b3ad31519b311b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}