{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xe458b159f81da85459406504e84659caf14eb810235d9c57a468cd818e40d356",
    "signature": "0xe73107ef45f3b6f90052f1ba4a3154b7652aa0ccc56633ae2c6fa2d497f2e3265f7925a1d5c27f56910745610e453acaa3179537050825f7c146424781a306f71c",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}