{
  "manageEntity": {
    "action": "Repost",
    "entityId": "669165820",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x75b16460760a99c3fa3ca6f8a06914c0cf1866c8e9ef645636b75d9d7096adf5",
    "signature": "0xa525ab6c6e3b51d48dcd602cfe9b10b2477a767bf4aab97760227efaa58bcadb21e2a8995e095b725eecbe19908cf465ddcc0884402890cb49b34eead35a5d971b",
    "signer": "0x7E7b9c4DAC3F284d889a5bc274eA80b8BA5F63ee",
    "userId": "670307808"
  }
}