{
  "manageEntity": {
    "action": "Repost",
    "entityId": "450448",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb381d749a4d7a561480a2912a190ffce75a11a01f0162724b30c5a063678aeee",
    "signature": "0xeef838297d940ef40c8fab4fcea9bfb90ea517771f8013dce6529acca505255510df8c08d6fb79ad573e4a45ae222396ee1bcef3564121396785fef740031faf1b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}