{
  "manageEntity": {
    "action": "Repost",
    "entityId": "399022908",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x993d2d19fecc0d2369098ca2212170558c5fa7f02363f048542e1ec45295f443",
    "signature": "0x8b70d8aeddd792178a16bf805630ff5d7f0a7dca20660ac1ffab65ba9b65c7854a741c333bcd90f8f758e8cc34a4844b4da25c1bbc5e98e16bdbb5bc57afa1f21c",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}