{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "456716469",
    "entityType": "User",
    "nonce": "0xdb35379652b3458e38349adfd0fc62d741e7cbc5943f7c7adef01b67a1124c8a",
    "signature": "0xf76e021ee105f02a4d17db18d46d39e2f25a6d4ff9aff950bcf3ca385ed2fcd5691a3bea5ad68d89fb00c18a464824e8b7333553ec0404a43328e8e5ac9b329b1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}