{
  "manageEntity": {
    "action": "Repost",
    "entityId": "600704",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6a28ed83a5ec311658795004d6ba3ed56ed6a8ead005773cc51a28e5251a5759",
    "signature": "0x3ab5db8b3ab42f03a78b758ed715ed1a62e776a32beb088d434b7453806ddee540e0acdd06c406a8c93a626188114c679e5a3391ecd7b6bfd25aad7be8fd7f4c1c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}