{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1573461776",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x43cfae029a503173014606042f606d7fa9cb792bd3d8175c8ca3d835b5db6d71",
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    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}