{
  "manageEntity": {
    "action": "Repost",
    "entityId": "558188",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3d7294271504fc9b7ab73d6c3437105bf775814e5997ac78861fef7a187e3142",
    "signature": "0x7c8361f4bf9be296d970e970d307382e5b8a04b0ffb9dbab81b7eb610b2189c01a12c9934cc139ee25962a41cd4b2e5acd1ffab6258b01b2de83ea769d440c4b1c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}