{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1554866529",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xbe56ecf4201e0f0d0a91baccd3bcd99cf27e75ab840cd1dd5c93b943ecc33d71",
    "signature": "0x4f43053e524bb52c83f42d11b88c9ca42a4c857da021c735733c79b2e67ea4fd4d6be77efb2b65880c3562d9b73d6151a3708f8c56199085bc66de0457902a121b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}