{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "97654",
    "entityType": "User",
    "nonce": "0x9ae45d2c143679218f82bd10e94e5235b94e58e035510167d720d4219731f55f",
    "signature": "0x91c0eaa56dd43aac4ba62fe570a97ee82628cc7ce2e327f691d6f1f491778c917f97ad62e7ee64c29b211bde6a762de338e7ea9f1c7f9b4957917c5b38b67e021c",
    "signer": "0x6DFC9b2081230853d5F4203e1e3232ed22612526",
    "userId": "535575"
  }
}