{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xdc8df9819b4ce6703a3608417ab04350f2b64ec84d559a3176291e98f75b212d",
    "signature": "0x252ba71f56996219d6cc6bcf0936073dfcbd4a12161826c82fc31d751b36676c44cd328bd2775e26ffcebfb554a7a73e9bb2772d2b79efe93a42e829bcefff8b1c",
    "signer": "0xcE1000874CF7A0a7b16c35A55F7D6f10C607A868",
    "userId": "442277469"
  }
}