{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0xc2ff4ca10e39e4ddfde027c1d4937d530c9800249d8a6f65b75dd9797186d07e",
    "signature": "0x69a54ac4eab91e83b425d6b0674098ccb3734701099569dafac3c2a4771224e274671119996bd5a23148f5733ffbcff67fbe763a552d63fd2aa43169dda83b161b",
    "signer": "0x809Db232a6131f46553BA571FB17bFA2cc58aeE9",
    "userId": "351386054"
  }
}