{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xaa495340bd5dee89f1c775508a006b7eee51f4bbd7dc646e15dfc3a9662283f7",
    "signature": "0x32965949cdc0cbb52851e6074cd4d6c0aedaed642121f7e09c8cadaf9c5a6c1b6ff33ab8f69121842b7c566c59dd89d141743178291fad5547cbc642f107b9c21c",
    "signer": "0xBAC82F467FfE044623F192F77898315bff88eCC3",
    "userId": "579001752"
  }
}