{
  "manageEntity": {
    "action": "Repost",
    "entityId": "457578",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8f01c8ea7becc9b63b2bdc74f3cc998c5634ec8c46abb0fea732d4645079c389",
    "signature": "0x2283732a6932dc5ee242b17691dded1f494962f30b9e001734385def9c48703e705c7ed30dd3d2ccb07f76f3f21d10c878f22cf4e17a3c73d9415d52cc0ff6181c",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}