{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x72d35e7559e3002d8f9cedecfde74862e3b950e3db0c65133dc987cb12b5bc40",
    "signature": "0x4b575a0d175ced71d7b6af654b837610b17ce656c463b7448aeff806085a888a09179e6d97181f6e74ef5dd1517db71566d674da0c98b1fcca68096ba9b8bc391b",
    "signer": "0xBa39a1B9C2A30Ab1FAfa33cF54BF03e443abad57",
    "userId": "348773042"
  }
}