{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "242102384",
    "entityType": "User",
    "nonce": "0xa0c894e6c29da2a99a241f499c86210962490da5040bbb6234b9e625aa68b511",
    "signature": "0x5610156e6fda3c8913bd1752731f6bcccb1eb4c056be0095dd7f31b11c7e57734cb0c8b5056d04ab4dfb583e737fdd891e6718b7da597f958675d4f17f4a01ab1b",
    "signer": "0x03b70C3825d7b9e568C53C89a738061d855d0dec",
    "userId": "578849678"
  }
}