{
  "manageEntity": {
    "action": "Repost",
    "entityId": "642458289",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x20fd04a68ae210b9eb15d8d2cef9ff3682857e44bb543e4db4044ea89f4fc14d",
    "signature": "0x77107df7a0e228e864b26c6cb45c4e7405df3b5111afe0e93305635fa2fe49e5679570575220bf0d1971d43c094e2b8c1a12ed5184248550bc52465193a5db071c",
    "signer": "0x1d868e2cc29848871636BdCF83a08A975835b6DD",
    "userId": "120328011"
  }
}