{
  "manageEntity": {
    "action": "Create",
    "entityId": "492869767",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"Love it \",\"entity_id\":2070534410,\"track_timestamp_s\":124}}",
    "nonce": "0x820ed5397b111184fab6558d13c5b805e853257acf7010a4a3b988efb2e3352d",
    "signature": "0x6f231d2db47c6d057666a547d25049417585b240c94b6af2f967b19b275cb8b03eb1105c2660c400f84b9de370acb2396aeb7174fce009a9ddb54664bd7b5ec01c",
    "signer": "0xaba173EcB673EC21a991fE5dDB21ea87D150aE80",
    "userId": "764"
  }
}