{
  "manageEntity": {
    "action": "Repost",
    "entityId": "590407486",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa8039dde46a2e468bc0e2fa8e2092efca370ab6d790407f6e2114831ce37cc1c",
    "signature": "0x8ac92f5a8bf586492b2ff2fbe7d8c686a4a197889e70f5bd2df3a9457c71fd6a50272e0db4621829c9aaca7970ff30503192e1690d1c5ef46038219fa709898d1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}