{
  "manageEntity": {
    "action": "Create",
    "entityId": "101593375",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"nice song\",\"entity_id\":1212390321}}",
    "nonce": "0xb71aa6e04ea358895d16c32529b4ce684210026293c7ca07b8fe4c6c18e70927",
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}