{
  "manageEntity": {
    "action": "Repost",
    "entityId": "858879503",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb6ebf66d17d0066081cc2e91253b03ee556e66b56c02358c7d2c79ced6b7eaf8",
    "signature": "0xa4f6c835de50402b227b1384c9678b4a00e242cd86eca3b9f78ca4b8f5af8f1721cb65d9b0759c4b2f7bb1cfa053482757ce6c0c0a2df39b3f7627b224ecd8971b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}