{
  "manageEntity": {
    "action": "Repost",
    "entityId": "639757",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6ba439cf95a7bf85ae18c0c766b1915ba58a94ba152105003a565e08f0b59201",
    "signature": "0xfdf967bde549abc48ea7400d62505ab13b9effc550995a0d6e5283570fd8db3f119f2ded7d606568eb557e9b4863e349177532f023037f4ff5123ce77113201b1b",
    "signer": "0x484d8957F3f2AAC8A75b6c9769692fB7Bf806850",
    "userId": "413536646"
  }
}