{
  "manageEntity": {
    "action": "Repost",
    "entityId": "138851321",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd16cb170bda9b3a465779641197313cb9d4040ff85aea6e07b824c162133f262",
    "signature": "0x98505c29dd61ecff4ecdc6356bc63c97c1adf24e87780bec2d32a6c17ee77a4a447a9fb8035ee717e0357dfa9c4d5c7fbcc3865ed948d5584ab06f9beae062eb1c",
    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "20"
  }
}