{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50936",
    "entityType": "User",
    "nonce": "0xdcfae6024faec7da6713fed786ddd60a3f461bdf67c7f12d0227d95a1a367e0a",
    "signature": "0x3f55296eaa3abcc24b7a32369b62a05fd5712d099fd726f206e0425b205f76860e59d25ce3e57f53fd003dc9fe400e3d6e21449ccc51e9c6997274b0550cd5581c",
    "signer": "0x90d627796C9E2071AAd9F8C20f6dCE95587F6d13",
    "userId": "560619378"
  }
}