{
  "manageEntity": {
    "action": "Repost",
    "entityId": "649420580",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xec7a7dadf30c5ceb82dd39114466450198537d20551b050de7d9a61298618452",
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    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}