{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1639652458",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x439392e5837c252dc9dc937e34d9b0721e383d458d57f0ecd2f3a11ca4f1c588",
    "signature": "0x25d34354d7615c9519dc8a198836325468113d09640c0d17937b70ec21ae23c45749a0c4bd2d0efae7e5f34b9c0a183500a9f299150bca742c5bb4a89b1f4a551b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}