{
  "manageEntity": {
    "action": "Repost",
    "entityId": "55775463",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb901549a0ed3aeae7656dbc6ed57b07101edf0f55eca1e4edcda2012d2cb7372",
    "signature": "0x3a0bfcc4690177d94a21d746983fb739fbdc30e537acb390dedf3fe624298004199d660bbb16734abe09591aa96adbbea71a1d0c27a90c9a61c32b15de5bfa671b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}