{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "276517",
    "entityType": "User",
    "nonce": "0x21308b13a5d3a0bcfa4c8b90abbb616cfaa882d6750e8e00cf83cca32b205dc2",
    "signature": "0xc6156904611c161fc0834cb2e5fadfc25123c52f791834ff786b42e8c43f08a85efd99f96a09db378fdbf1dd811c9435c19b44b73de79a3797de5cfcd7682dbe1c",
    "signer": "0x6Af6D40d1d0B48D79D2bd3E3c8f0a45540130c0F",
    "userId": "89433"
  }
}