{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd803e31d26589d5d44883fa8c8e920ef11a92d8e75c9bab125d5a62eca9e6bf0",
    "signature": "0xee6c683bb45fcd42d90331b74945069e86f0820b73a813a02cb1766df23abbb854cad98592e0f5ab48f44e16138f8fe3b2b1e46b189ad4a2317711461aabe95a1b",
    "signer": "0x80BaBdd7604de656E45b52EFA056548D7C078B36",
    "userId": "790313179"
  }
}