{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0xe7ca70639e1cf987466025b52fa37b64090fd543894de8f03ed4b0eb8e1c3983",
    "signature": "0xdec317fed6b4b61b50903677abfc4d4d077066d3b11d5fcc25376a37646839a87a8a50ced82654d061a38b5af296d9fa21fbb728b184c04e1ae63b9374526fa01c",
    "signer": "0x63d394E88B78FF653F4FCeB0AC74Cf5b064dfC34",
    "userId": "633246973"
  }
}