{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0x55bdeb345ebebe4f2078f717c7def2544ee89892ffdd2ccf4520f63c2933674d",
    "signature": "0xdfcacd2d88a127588b022077252d85a224b1ee89e1e488fbccfaca2e4d7bd5f20affc6cd7a112c8829c57fbbf0442d7c88c1b2dd5f4d8f9c3220b8418d97312b1c",
    "signer": "0xe8BAaf9d67869BFe993951C60524b67BC331bac9",
    "userId": "75683930"
  }
}