{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53868",
    "entityType": "User",
    "nonce": "0x9661f8e67e88caaa4cbb2abdd9aa25e26b2fdaf1170feb7958a08177dacc1ca2",
    "signature": "0x2c813c6a3c7c73404e9b9adf03529afec1551ee13523bafeaa1c52abc7b4c39a72aacb4507cb117817e07c219b2d0d611b052beee55ee69910790d455c16efb71c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}