{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863205",
    "entityType": "User",
    "nonce": "0x2e2c79803227a838dd59390aee7124b46290b6a0920b5aefdf9b564d3f407a2a",
    "signature": "0xc75f15dd2a4671fb8a201e67c881c4145398d6d5801e47e6c44355bc57c147ba48b87a9ab6cc704b5ca2991d0f6c69adbeb956cbd377fd5f7dae72703401896d1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}