{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1457989639",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xca06d1fbaee51028e62788c7f90c7e637aad14ba91601a493da9f7f5b0a11292",
    "signature": "0x161f7cb0dda3426fc834de1233513576bb5cee6d0e3ad827a87031ef63ad7401371932e5fe0dc2186a52db2e2c22564d6292f33f2589f90acb84bdeb698f42f71b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
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}