{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1439392287",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7bc61e8d28754d03b66274710650cdf473c16f9a4a16947a56f74a88430d5ca5",
    "signature": "0xf21177820e669ec80e8cd4ac56a2f65cfab2d985942c2f0d892aa648ec15a5ce2a668471341a54cd1989159ae3e28dd2a9d17e4937d231854fb372ba450414d31b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}