{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "994758391",
    "entityType": "User",
    "nonce": "0x81684ac4505c30f395dcad60811b44ebf72a294acd59216412220acb4d2d2e54",
    "signature": "0xe8282c50d47f5f1ed5c9600a235ed0f46b9ed632b13637571a6d2319963c6a3228178d5b81ca480c4ca212b795a9fb1f5869d2efa0875e7beb626cc04c3a55dd1b",
    "signer": "0x811B619477Ea800Cc8e7fDd08cEA323eC3E06411",
    "userId": "791433195"
  }
}