{
  "manageEntity": {
    "action": "Repost",
    "entityId": "664720",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x60cdb0f2817d85411e38b249e7d371eead185fd17b02404271c7bbca6d62782c",
    "signature": "0xe0d9ace13a233be2ded90824c8aaac42771e0280f102c711a7e4ee1b1fb1bba665bb1e1ec0fbe70d54e1b2feff2b62f8af3e9d22abb07d11681b541afc8affa51b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}