{
  "manageEntity": {
    "action": "Repost",
    "entityId": "664724",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x78172456020d151f1ce36557a96a50d59a022c0a4f740b67d5835ee6d8eaf49c",
    "signature": "0x134e94c556aeb6cb4eef75f1494a4ae8feeaf921861f32c259c457ad267e6a2a38b63aebb16227f804014569a77c368dbae960768fa8beaf71c41fa49d0cc5261b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}