{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "76829893",
    "entityType": "User",
    "nonce": "0x955594133561fc6fa7f8d981432f712fb9aedbde4d456e3e9fa25489da1b61db",
    "signature": "0xf51de0712f259ae1848f1272e681ae3725641b668eeb8a4043f89db607e6ad913fbcb8c0a1fef7b3f615fe5df748e4d390e94e7a472c090ad75d3703a54268411b",
    "signer": "0x6CDDC7B674Dd0fbE8fB2850B79b97aA2A37Aa071",
    "userId": "218692613"
  }
}