{
  "manageEntity": {
    "action": "Create",
    "entityId": "1284131366",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"sick yo!\",\"entity_id\":326802186,\"track_timestamp_s\":77}}",
    "nonce": "0xc92c8e99cf11905c80bfa919dec447dadbbcd5f969bd943d47efb9c51785c1a6",
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}