{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1421181388",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0c151ecd32af9b385194ddfa98e0c3060d38cc6c71ac25e9aa5f16f7436a273a",
    "signature": "0x5d0d712f7003c45f87091ec76823ba37575b862daedd3578f62d35f416dac91e22d75b8c853a6037c004a9e3403a8010d910db937a2dffac9b7578aaa5271eb71c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}