{
  "manageEntity": {
    "action": "Repost",
    "entityId": "448387364",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x96ddb6433bdd8d8f9e0dafa5a03bf6b323eda5b2b740c5987e039beafc32a9cb",
    "signature": "0xfb55dcac5a40f54a055c3fc86a6ffb727229948fc9262b7dc1fdd63ea7ce2ee963af802460d82765c44ff7a9cfc5177ee21db859ea636901b8e9ea4d7d0eb5641b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}