{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "351244",
    "entityType": "User",
    "nonce": "0xdcb1f454fa7ff242c8496b58fac60913f9f1e3119d419c58aaec0300312c95ad",
    "signature": "0x6689def3c2d20fc8791a732b3327bdd543b2d7b59f9fb84ee79292a5efe63dd6308349d4c4721c4757adde792886f5902f7dacdbd4e9d23e5dbb04f8f328371d1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}