{
  "manageEntity": {
    "action": "Repost",
    "entityId": "287409290",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc54031851f7c7944cbf607754614bacce157fe9ca23c86817df047934c512de2",
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    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
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}