{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x5c7bce87630fc203167708779a06f05283d756d0cc106878641563b9670b06e6",
    "signature": "0xfe071173dbdb43c72533a01ea14121e35aadebe98632ff6a507c37770b4660806ccf650caff646d45966ca66d88a8101e835176c72d0f19a5ae0750fb3f1bbae1c",
    "signer": "0x470Bb2fE949fB170EE31cc0b6A0A568AEee917dA",
    "userId": "925517832"
  }
}