{
  "manageEntity": {
    "action": "Repost",
    "entityId": "475555465",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc4a9bce1cd28c3c8593c28735cb9b0d583f0f01f2638e68047e59a5bb35e8f27",
    "signature": "0x80eb92193e8c48931607fd688f814d797ee841457183543f3c435799fce4434969f56076360280da388750ebaadc3ce5ff63051690c0a0689e9ace7ff98cbf1d1c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}