{
  "manageEntity": {
    "action": "Repost",
    "entityId": "458972",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4481da2dfe890bb2df0bbd2419a18436d48c1f51d3b2cad00e673f8dc6aa3b49",
    "signature": "0x7840abb2d22844cb78b136ff98b92342a27241f7a0d5f569a92c244f569c167c011a57003c674b8936d6ed860bfbabfeb2604e364dca99fd3ccbaac4317756b31c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
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}