{
  "manageEntity": {
    "action": "Create",
    "entityId": "1289757852",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"so funky!!! Congrats! \",\"entity_id\":886662797,\"track_timestamp_s\":148}}",
    "nonce": "0x2a1e65fce4a18bdb89faa2e9c81355836247dc4424b396d2af95364380b5a737",
    "signature": "0xf674c579145669427bcd8795f9c4ffbb8ad4034ca0dceb804bd4fa2c737a94ff32f81e37195b6ce263e276c43635af603cf455328e8029bf0a76041966b902621b",
    "signer": "0x37C656432bDD87630C13F60036e9857B5ee36154",
    "userId": "288167767"
  }
}