{
  "manageEntity": {
    "action": "Repost",
    "entityId": "876251550",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa435f7a4e53f0cf1a2761f33da2b1029cc203af35d3f64c9d392ae81770f8cf1",
    "signature": "0xeaca2b89039cda0bbb3bcc3fd875c79a27ad51ac83a9e66487f579178938800566dd41f59446f3cfca4ba24d9b614c3ec7a45e810f87c8ff6a848638f8ee94891b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}