{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "234046",
    "entityType": "User",
    "nonce": "0x8a877168fb0b1f477c5a9dba154f0c6082c50b463fcd689281fb9084bbb20ea9",
    "signature": "0x4849cc263d29a39a48ffafdc22a84299a7797e4f949fcf7e8971d085c7f3897f5898c4570699b13e5eed35d1246427420a44830c78fe169828c9d5455fb46f2c1b",
    "signer": "0xb7C7a8D9d12EBd1Cd438cB065E97280E6D7e912A",
    "userId": "984691913"
  }
}