{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "206753",
    "entityType": "User",
    "nonce": "0x8b6ca89f9e18709d9c85d36ad8b61bbd1dca11851be281cc3e44aa51062f0431",
    "signature": "0x62d28e346fcc15e644bdd3e51ed5ad2f3d5d5e6510b1de6c458c69f293a5f5411df23acc7f8fba7d7c08e4bcc047bfb8bc7d3f68e7b57f440f49bfd23d2574c91c",
    "signer": "0xE9B9EEdDb579478834256Bd35E42d09cfb754b1d",
    "userId": "281227"
  }
}