{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xe81b28d64d2202a43322301df556675dd16f21bb2f9faeeed9dcd5db07e615dd",
    "signature": "0xb8ffad112f32f7f1665ab021cd65e5d94ecaba655410d3d180f2efe236f6bc232b56d1e82cd720a67fe6a3bd735e1d0cdd033025792bf43deb2b5912091dd2ca1c",
    "signer": "0xBDB0D4b954b76aa82E858272129d43b54aa159f2",
    "userId": "745218801"
  }
}