{
  "manageEntity": {
    "action": "Repost",
    "entityId": "557303947",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb2f471d05085adcb0ea8d9f4c4ee7d910a12c914119f005c0a10c19a16fa0f0c",
    "signature": "0x19d3c9093f78f4589cd6a333b92260d93c03a1bedb5819347235f32b33569adb4c379123984f82b26536086e832a5085ac83d1cf17f9beef12ec8b37dfea2ac01c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}