{
  "manageEntity": {
    "action": "Repost",
    "entityId": "578673",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x67dec7622ce61a1034cbed8148922899500559698f8b43e3e2739c4bc864e33b",
    "signature": "0x9773be16caa845a6d58f5eb4724d6b70ca0d000504246fb5bd67f3e6ab9569607abc43534ca57b429dfc2f3a8a4df7125afac9370d5d1126f6d5bef2f2ed472a1b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}