{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "434074077",
    "entityType": "User",
    "nonce": "0xbbccd53e8fe3de7a33c0081b03aded75437df092a616606a7704ab1be8346941",
    "signature": "0x7cb7d64d8a7f98ffb338c6cb54524cdc880551e1fb250a22c0f7d42888a223df40ff1ea08f69190e95bde37f10a8e1ad11fe1de1e8157343489968d5d91b53f61c",
    "signer": "0xAAB9cff3D43A1b095421916d4C7D864d657286c7",
    "userId": "435031315"
  }
}