{
  "manageEntity": {
    "action": "Repost",
    "entityId": "974492445",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x15aea66d7d9a7ec3188c497b53becc1ff6df1dfd85561cfa06a473e5838ce0cb",
    "signature": "0x81be66048a9ce78c3d6c73adf887137e5302b93e6ec5d77c56e4c364c722871667be559a8c0461e77506f2958ba720c69b4ed2c49c6efdc0159e45ff420e4ad61b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}