{
  "manageEntity": {
    "action": "Repost",
    "entityId": "558249234",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3de00d6063f6dfc8d2d81203b6653643985e969a877c632d43409333a1ad8760",
    "signature": "0x587eb206dd156dfcdb5ba74ce7e4ccbb12ff993c35fa19517ca186d758aff21c3ccdb7aaaf942274228608cbe6abdcd964485efbbd5f39ef19c8f0aa9d9eb5f11b",
    "signer": "0x5c51216FbbB9B7A562f11267f91f72A7be1e8DE3",
    "userId": "301637"
  }
}