{
  "manageEntity": {
    "action": "Repost",
    "entityId": "449279647",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd25ba37a6f9d0399e7f4ec132a3d8af0c86928b1d1d874dc59f51e498cd32f8c",
    "signature": "0x4e41f5d014823f2413790c258a03565c732221887ca4c445238dd3c64bf8b35913c4edcaac344b08d4a3d019d96a96c16083cc6c4a5366005c97ad77d912d1f91c",
    "signer": "0x6068Da6B0a791A756931bE32de98D46eBb95890c",
    "userId": "475275462"
  }
}