{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1546549879",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6f3bc9e06ff2988941eb8e9e1bc8c924d114e44353c7dda540c7e466c34e0b17",
    "signature": "0x2f7ffce296a1acfa8ca1528651a6dc89e530552f1b45ce813cc44c7dff5071817b2879cfce59930fbf15b2a23a49d5b8c990d69f8fa505f00ccb84d056e1860c1c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}