{
  "manageEntity": {
    "action": "Repost",
    "entityId": "858619",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x142555a6b250a63cfe1f184cc4a9b6dfa159f08ef6ac248afae0a7c50e5ab87b",
    "signature": "0x554ae34c52ccccc470c52c81612bf7426e84c2071532876d1d58111f8b1cfe0c2c760c201c8408e3e18c2c2e0755a70c921ef835c35580871e2686d56532daf41c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}