{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x58b2b50fa968eaa5251000ef45cb42b1655c403ea92a7713982073b72ed39a55",
    "signature": "0x91aa301faaf7dabcef96fda3489b9dffb412bd21a98d37858ed2e0a5f93234df247c23fefe48c2f1bf50e4d15021e84cdc47248b0ed3635743b37b6afe11d2031b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}