{
  "manageEntity": {
    "action": "Repost",
    "entityId": "666115607",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8a3af86019d5d9e931fc54afe37edc35e1936db6dbfaffdc05239f103be502d0",
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    "signer": "0x7425EdbFdF528603A88c658f4cf8B1396a8a77F5",
    "userId": "406225571"
  }
}