{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1490703411",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4544e416125d1353c883de74a7d585204f193441a4c08c0971a928203a4bc055",
    "signature": "0xe42142167c5209457f77a60a3fede03ad953fd6ce6d131e597eb05e1c718247c6ad9846c04f56b374039cabb77dd62df6b281f4c759852d5ad6b4b7dd4751acb1c",
    "signer": "0x7E7b9c4DAC3F284d889a5bc274eA80b8BA5F63ee",
    "userId": "670307808"
  }
}