{
  "manageEntity": {
    "action": "Repost",
    "entityId": "299757696",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x343e33ccc1e8a353d7c2f04d5ac473d9c942c73be4955f31bf27a2e88bd3802a",
    "signature": "0x89415dd51f95feafaca4d09062befef93c4d78f187ea292530cf3baed32d91e92daa630ccd805e0e2e1233b79e1aeff0c6f7d80bb184b21ac30ee5cd664dd8351b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}