{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "667809204",
    "entityType": "User",
    "nonce": "0x07898755d578f7ab1ab50b5e949ac3acf2b6f14ba622eb333a8a51b7c78cd906",
    "signature": "0xd02f8a41c4d1277c79664cbc1e883f78e45076ab35c5e299512ced3170ec45b1018e77e6b78091133d9713ebbb631e869f2a2754feb16ddaa710987db371b1bd1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}