{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "182428",
    "entityType": "User",
    "nonce": "0xdad246a39db7f380f0e38cd3357d6fa5b64b4195c86e4f42cd6b012434d17ad9",
    "signature": "0xffad53a79e70bad0d52f2e6b912c81ae588a2c758863493fca8d6e09ca6f5f0960d2fd610561d666fec41d3941b3a650c94619e8601e7dbbb57cd64e9eaec9891c",
    "signer": "0x66eB52D64EEC44241f036b2978F734CB3B38DdCD",
    "userId": "882321302"
  }
}