{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x72dc9dbbf3f608adb1ef13a7797d8aa1d5733c017ba3266ba4927db23adcd639",
    "signature": "0x6aa231ee7221ecbdf58f23eca9d9fa746afbd4ce0b8544ac6df16bf20b414dff600202d3317f493b39e10a5215f1424348c2dfbf1e3b79fb027f5d19a69307541c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}