{
  "manageEntity": {
    "action": "Repost",
    "entityId": "449222",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa3de52a991b520e59a3bef15ac2d10d52c908f07e9c0504f5bbdce9e24f90637",
    "signature": "0x23d45be61315337e9ad2246b58a24409247fa17f168dfcb0f55f4dfeeb3bdb89144d7194fc36658a84dabedadd30bbf75e25ae989ff419f3ea03027360eec2121c",
    "signer": "0x767f09338Ac6CE8645c0a76a17a560429b582132",
    "userId": "520958130"
  }
}