{
  "manageEntity": {
    "action": "Repost",
    "entityId": "121640",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2385a43ab13a28e963511bef470114b9684e3c18f305f4ada601acbfb81b4503",
    "signature": "0x44eba393af18a54824990287886bccc7172788fe88d8a130258096bf0c4862076e53f00f4583015e2c0e30374426e506e830d33b2168142819f40d9c69a5b3ff1c",
    "signer": "0xdB859da145eAc5f173b5a68ee5F22434899fe416",
    "userId": "881880880"
  }
}