{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "283508338",
    "entityType": "User",
    "nonce": "0xbacafc8fedea145f87c79ac19aa2f8195dada2ab6fa9b83df5233d32bca84527",
    "signature": "0xe08f95e7991ffac7bcb2a9506f6f29e518b0f2a3566fc3cef537c296fa54547f59b46f0418b01c5c92b457a18c158095ed839fa7e91a815465041298a5e55a6b1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}