{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1421622783",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5a678d056bb495db06f6057ef377f2365517f0112ee90b962949cef77f7d2058",
    "signature": "0x44f363e6f69308625d02532e033334001a47fec2ac3bfdccf2183e359df0f01e66a3bfd2ffad86258e341b4f5b8637f4efe7fc3878eb5ef283f7bf6b4f1a792d1b",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}