{
  "manageEntity": {
    "action": "Repost",
    "entityId": "504458",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6818423e34ba198aee9e430bef70f3692b35ac5cbe4d7ef2cd68d0dca4d5cb87",
    "signature": "0xc1e6cd239a65085b2ec464c9a7969deb879b7dd0107c7a099fbf145124d9f1eb4b9a2dd3cb56d5cf9303dfcf0bc119c9f827b8925e55d557295349c87a9d9e1d1c",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}