{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "981716494",
    "entityType": "User",
    "nonce": "0xc5d8e3f751517eae7489cb0770bde88b7a55d35ccea82539d647d01dfc3d58dd",
    "signature": "0x58be0f74618e1915c4eba61c1becd0fe9c482b70048ce8f51b5bb4a16f86ee72295658828bb70c295de51ed48dc0690955e58b3271f9712e8b94dcc73d765e3f1c",
    "signer": "0xb175867C02AeCd449963dcdf49E8710D84e56b11",
    "userId": "181053434"
  }
}