{
  "manageEntity": {
    "action": "Repost",
    "entityId": "758012",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x21eb1b4e0356e25b49f3494de4f2fd005e568caaf5901ee09bda7b124ab93264",
    "signature": "0x3eff7814476e07eb07a8c2b40611e0ebc75e7823eb282721585cfcb88729b131273282474c8fd473f2c37754fecc9c900af6b020cee6d1d427215d71c3f105431b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}