{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "147204",
    "entityType": "User",
    "nonce": "0xc9497f3952861173ccf53538bd9326fb7b20cc5d77273002d56196d4fc5549e5",
    "signature": "0x89f306fa6af3f6d8e741e77719f5864587437ade702fce9a4e48dba82c02fa9c0405974597e26aae40a9bae5280576780d94227c5f9785a8981a3a9cc0ae6e201c",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}