{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "186198383",
    "entityType": "User",
    "nonce": "0x328990e15d754d2383152813784d16e5e3edef070b0277cd6555ea825f416930",
    "signature": "0xf43cb55ae6f00e30a0445a6d3e95b501c2c3eab66f8a32a9fd0d276ec291be281f064288bb3de653c495bd3c2e3cbd43b248e7e0b8fdbe77f4c2451ba07df3c91c",
    "signer": "0x1EEEf459C8e361773166d5681a5066659BC751D5",
    "userId": "210033902"
  }
}