{
  "manageEntity": {
    "action": "Repost",
    "entityId": "616885",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd18b60647cbadbf4d5a441d2b8896c96c91df2c78a68494332c1b56b97f1740c",
    "signature": "0x6f62de64df10a7098d204d95e78267c31ebcdcbd53c8fd105b8c5a183e546c4b69bf2d39e1ec868ac4003ff5348ade6a5e79813376a41e0401d9d9449eb1eb3e1b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}