{
  "manageEntity": {
    "action": "Repost",
    "entityId": "55521956",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6113ed1a61dd68824a76bda8e5c4f602c203e2437f40edc2670ad7d4e4aa106a",
    "signature": "0xccf9398cf04a232c895ace290b6ebb9085a95923493db893ec45f161d8fac5d833f6ddc1a2a502bfcc08e6e42f6314974f076641128d995e0f3a0ed548dcc9881c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}