{
  "manageEntity": {
    "action": "Repost",
    "entityId": "587690",
    "entityType": "Track",
    "nonce": "0x6035c1b9a3bd7d30667d7b12a618c44fa13ef441f2b2c61e6566411b11bad365",
    "signature": "0x72fb7b160dfc559de0f1ac14e86d6f6d047ff7b2629d5c74cb2188201b38cd3272f3d90abd0226f3f0d6c59186691b434f34046cace039c620a71d25cc0fadb91c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}