{
  "manageEntity": {
    "action": "Repost",
    "entityId": "475410913",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4a1c0d62008b10e0221f8e513c651e7bb58471e6316814eda2fe8327553ceff8",
    "signature": "0x9a6f6689b1df2bc35e51b4e82c5346a58c0f1a8d4f30062def4170cef3d7c1f1475bee212eac111ed3d50235ffe4fd2a86a498466dd4168ebd51db4ad0747d291b",
    "signer": "0xD7c3dC9EEf2D94568C0e1A9C88b58696850c7C22",
    "userId": "125737"
  }
}