{
  "manageEntity": {
    "action": "Repost",
    "entityId": "400265979",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe7cf1af4a6ca09854d34460c2d9e04cff1ee5cb14e5ea4d47c0dd9a58eeec27a",
    "signature": "0x53225c7f2d8be619281dcf658f365d9aad58a26721caf7e13d200364c3cd57e677c680cf3e71c7b2192f41c948cf6a87736f9c58306edc6247809da4e55ca8c61c",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}