{
  "manageEntity": {
    "action": "Repost",
    "entityId": "758894678",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x71614730a3b6d87c564b2e207c1ed7f7a464237d6e2bd80e7dd6f2b00ed45de2",
    "signature": "0x72263bdecbaacc3fa6600b2b2a71266cd50736d0337992a10877af67bf2de75f1039975762a5e110146bea12ae79d89c524ab8bb9055500408e3e338076c3df21c",
    "signer": "0x63EbE5a1B5C5F156330BDf810f5fFf6A224c75c8",
    "userId": "309080"
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}