{
  "manageEntity": {
    "action": "Repost",
    "entityId": "616747931",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb9aa6848373532504f21000fb5c7d649e601a8202c7ef49ef46749a02221b97f",
    "signature": "0x1a5af30e062deb4ff42cd2e902308dfe3afc5da11fe710cfb39a0dd47f8325ba5b5f58fe66d02441ca0e69cea022fbe1f47c03fae57126831ac679b84985c0a91c",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}