{
  "manageEntity": {
    "action": "Repost",
    "entityId": "456749",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x00ecb3d7da3185a6c64bd00b1dfafa5434bfa8085172aab307552b5e7be0467c",
    "signature": "0xe97de8bf54569b62f66fc83bba91807e21bca16a569231dd8cbdf028611719c8514c398b36ac17fad530b377739e43d5715646a47ec6b8482f20c2548de9b4161c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}