{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "368471",
    "entityType": "User",
    "nonce": "0xe5269afc4301d3ae9d06cfdc3ab1329caa90a7fc3ca6ad7fcf1c4e11e9630b23",
    "signature": "0xa92beacb1347bd4cd23cd834de229e991db9a03f7f83bdacf990fb520347bc382a47cca77374ad7f4be16e771d23c070253443a093ad374f6bceba56737d20241c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}