{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "279",
    "entityType": "User",
    "nonce": "0x5f29b9cdbd2423746265880c3dd24d906127c84afd5c3e95d0c09f14bf3649a1",
    "signature": "0xd77ef078eb3db1c8fbf7eb08ae8ddb3dd5a7d8c36bf66eef456794af6168f3be237131dc9d6ee65ccfac09faf4c7d1028f3637d122e395e828105250d048b6fc1c",
    "signer": "0xb7C7a8D9d12EBd1Cd438cB065E97280E6D7e912A",
    "userId": "984691913"
  }
}