{
  "manageEntity": {
    "action": "Create",
    "entityId": "67692393",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"body\":\"test 2\",\"entity_id\":1144147919,\"entity_type\":\"Track\"}}",
    "nonce": "1777434483216416238",
    "signature": "0xc1132c77aaadca885be38279c208a1e78c181908257d253f0f8632f388d2b2770c0c7598994386337533f19ad93014216e18c93d312f1e0a5cd8dac9644ab3731c",
    "signer": "0x3f0D2D42FA7eece2896546a75f5773D0B8DBF44A",
    "userId": "9859"
  }
}