{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "984215347",
    "entityType": "User",
    "nonce": "0x1348a9181d1aa2df39cd3e9f83d914ef33d701f9274027d72292659807980ee1",
    "signature": "0x465b7ba6201a66e395159a20a386229dac8c5c48607a73be22b3d3fbd88aa12d10dd2d636d15b95543562a5eeb60ff8a033efdb77d8063b1cd4b253de2ac4d201c",
    "signer": "0xd85E4A094e4C057572A9D525C9737051A17ab609",
    "userId": "696716320"
  }
}