{
  "manageEntity": {
    "action": "Repost",
    "entityId": "258291440",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd8f59ef2c91ea94d41db69a8631bf487c7732fc7d34f157bf26f7fdbc910f3b1",
    "signature": "0x4e046ea6446c88b3af14695c2b1903684a10b7f547cd2d393439e77bde9b9dcd5ca692b8a2d81594125039366a3d34b6bca83e9f483e2e011fd89fdf9e1f52ca1c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}