{
  "manageEntity": {
    "action": "Create",
    "entityId": "1840671026",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"Me\",\"entity_id\":242807}}",
    "nonce": "0xa86d5486de71e16e651662745f3ff789e6d25591b4dc8e47e7819628902c4aea",
    "signature": "0x8fddfdf4872ef230920d878c948b16a55f1b31d1035cba220f5d88c600a2e7016dac374f4d9ac3f370ce20cfe58b3eaf3e7ccacb344747d7e1949dbc08adeab41c",
    "signer": "0x2413679eD5Aa7730aDf989AFC81d0a69AEB061AB",
    "userId": "670006010"
  }
}