{
  "manageEntity": {
    "action": "Create",
    "entityId": "687281389",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"ayoooooooo\",\"entity_id\":924577439,\"track_timestamp_s\":63}}",
    "nonce": "0x30ca377a1fbd4ef499220779681ec7e51623c580db478196c4a849b5ff30585a",
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    "signer": "0x1d79DfBeB190891D70B510899f34F44eaFDef495",
    "userId": "450694809"
  }
}