{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "936976796",
    "entityType": "User",
    "nonce": "0x18368aeaec94097ad9fda21be744847a1e6f6d14a09aff7e9399c044e276cfd9",
    "signature": "0xc1fccdfefa1f1afa9cdbd8851734a906e125e7464f193d5a8657477d2acdd67751f44a7822c256fbd27373e6119b91b5ceb7f73115b03c7cbdf5d4a76910ef5d1c",
    "signer": "0xd9bA17330fFb3Ea1356C5eC14971D9e1f2cb5200",
    "userId": "337125448"
  }
}