{
  "manageEntity": {
    "action": "Repost",
    "entityId": "445867891",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x72dd96f97dbd8ef393bc03bfeac5ccf4621accfdc247db112d64de3e54d22d33",
    "signature": "0x03a1ed439aa3796ddddb4e38d4b3cde6092cb2e49d992c2cd6335c1fe74216f22ce92e722f914f225932a16bc03dd9502dfca24c7bf8918da366a122dc664d1e1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}