{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1915499571",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x10f1a2d3931f3395bc2eab6cfbbb8f8bd5d0b0c43c40bf65f326ac7150861f48",
    "signature": "0x641835b5abda003f926a7ad777fb8620b544be1778f67d3f7144aa6019e01bbb0327379baab448fc6a1126aec9b474ace1cfbe251d4b425d46c0bb7cdebbf4161b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
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}