{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1621161458",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x975d691ca61fd754f219bfe3ba6cea0c7ddf4cf14399faed2b33975204e7b7eb",
    "signature": "0xbd7a088487963dd5921edd67b35ae2ee30c950fbb078fb820ff282cd593f37b26391d0dee9af8cb40e54f0e613972dafba7f6ce320bb567a225610cb8fef5dab1b",
    "signer": "0x767f09338Ac6CE8645c0a76a17a560429b582132",
    "userId": "520958130"
  }
}