{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1406399017",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe9fc3ec7fb5d69b70d71c10aaee49d77b45f275cb952f8b892c33f2c0ec31c05",
    "signature": "0x8ebd85cd27113169ec1eabe66f39937493d9bacf5e35aefe89b28543a07715c50939f8532711ddc8f32936600550056e1e8b84cc9da642dc4f5d747364d8cf371c",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}