{
  "manageEntity": {
    "action": "Repost",
    "entityId": "757149",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x979e14998f64079dcb22c14b33bd80169d239dcd3ea4bc12448698e5a40cf7e3",
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    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}