{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xf4b1e68159dbc678df8bc610fddcbde6948c1f38195efd408986a02ad9ca416e",
    "signature": "0x48d825b63e23d0113b2b2e67902e17b8722f9891aeafc03da951ef3dd844a87236f4fc24a3dbdc9ae474db731021d044a07e9011811d9711fd5173b7e5e7dd831b",
    "signer": "0xea79EEd60D97517387a63Acc5fd3BeE2227F1658",
    "userId": "220230236"
  }
}