{
  "manageEntity": {
    "action": "Repost",
    "entityId": "487543831",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5f2716ce2ecaa921b8cdc63ee9f2b7d45af018d5bb5bdfeb9a48f5b3e5fbfe87",
    "signature": "0x6742785e21e6c2f496de09ccac59f265704e3a53f9a6bf271ffd53a6fd973aa47b65df98434428388e3021d753549548c5614c1dfb93d7d2114a0fd5833cf53d1b",
    "signer": "0x4089d1751487aA665C895419F2578a6Cf33BE481",
    "userId": "728155533"
  }
}