{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "354908",
    "entityType": "User",
    "nonce": "0x1e07b4c57ec260dc9ba841738abccaa34f7d8254d6d0c6dc4873392177898db4",
    "signature": "0xc5d02c65bb60500fb38174da5aac177785f54ad88a9be263977018c13bb9b76100c760fc247c34231dcdd9b787bd7210573e969ca756671ae1db841e84576bba1b",
    "signer": "0x0d0E0D19797534AEF52736C60B52793E9f88e24F",
    "userId": "603294620"
  }
}