{
  "manageEntity": {
    "action": "Repost",
    "entityId": "553360",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9ac783ef7fea91100520ef2da5050c6b4724ce8028f0bd53aa6055902b84ec87",
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    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}