{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x24fbb713cbb6e792d7aacc57c1908cae6ccf5388155887bf75fa2478aef71caa",
    "signature": "0x2299d8485b19598e4e7f975960ea70d8fd0c2e495c906bbf7291f0dac44c936848909bbd39b5da2b7c7c2c73e838c1c28875dd4ac53042ef815ddcb4fd3abbc11c",
    "signer": "0x16AaF679643e6DBfF56DE3735A744ff5B6856F3B",
    "userId": "513179323"
  }
}