{
  "manageEntity": {
    "action": "Repost",
    "entityId": "445258664",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa4dd3266be44be24c1a102643f47b31398cc71ad3450ee009a1166e37f2e43c1",
    "signature": "0xde8c48ed34551703556e165a8f20ceef6e395bc18d710c882fdb8067bbc5beff24167339e34028656745dfc38e7c43b289668dc8403ce094e03a597208a727161c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}