{
  "manageEntity": {
    "action": "Repost",
    "entityId": "503768",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd2f1dc3ded956b30f8e19186173f6a7d88a1141a5631295042abe1b2dc852614",
    "signature": "0xa156179dea6186888dd78c432aaea74cf38580334b415001768c3e77b6428082705e85fcef7627c3f9e22bd68eefabfb0b7393d3548a9fb6977355eab5e3d1ec1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}