{
  "manageEntity": {
    "action": "Repost",
    "entityId": "738787777",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb37ef34db2d31c296c1b0a181ed9ad6bbff9803f1b6e642bd843ce80ea31b67a",
    "signature": "0xa8ede48d35476c200626f50880ae7ce70827782041e500b0f54180fa02b6d48f020af7839a527a73a780a249ac7ec0990ae68d424ca62fbdf025263644f5e69b1b",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}