{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "736590",
    "entityType": "User",
    "nonce": "0x028f3cd8d814c03bc8f084a3097961a969fc53c1819b47d65b04055ecd25f49c",
    "signature": "0x682361860f02d033e6f429155f618fc13241c51f8884b421f1aa8ffd4ff44e206dc998b2b07dc4a38d98cec85edc85daf7a2e443e3ec5bf4d2138bdbec217cae1b",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}