{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1554454559",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe73fa5b20a4aa068c47300f1e2106e07f76ad0b3d278d500cf7bdcce0de6a61f",
    "signature": "0x656371c0017c5be875f1437570f96ed815690f0458026c6ae5abe284b0667f6f140c999dc320f6b48c18d32bfe8627f380831dca80ba87d1003f95d4a02d83451c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}