{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "73692",
    "entityType": "User",
    "nonce": "0x8763d73a85cce11435309256b6755d25a7d8d6f6b7980bb3687285f154767633",
    "signature": "0x230b2fc668e77cd258f6556f169b254e071d3a78db1fff03668de46810fa76aa474c3a803846594b594aa36d704964b9f93b88d5b8e03db365b6fdd0c156df641b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}