{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "826451106",
    "entityType": "User",
    "nonce": "0x188c69ef9592985580e8862a8afa147b8ac3b30b07f907ab9d0064c7ce5a46dc",
    "signature": "0xa04cdb87b7f835cfdc78de077e1ed83937f1ba06b3a0b9e9a10f8d59725f1c8a265e0c00964b3dea5e5d4f8bfe0dcd5ef3a0a0aedebea88cbf5ced16d25f03ac1b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}