{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x2dd47814ce11246d875daa4edf23752255103c0e31d6edfd50dd7f2d46f92e81",
    "signature": "0xed420e9b07ac375279242443591955f914e94fb61967730dbfb08f9baa49dee962026a710421379ddf68eb32ccb45a2f7c656b126d1a496e7910f02b66d3b5071b",
    "signer": "0x01eB7915E4941D64a8ddf370bE06647ad5F79d4e",
    "userId": "911613164"
  }
}