{
  "manageEntity": {
    "action": "Repost",
    "entityId": "63456",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1d78f9f8d3efb1830d817464cd9f8a19c6874fe2a9299ec0775b296ca877ecc1",
    "signature": "0x1877b4e70b860d538df6cae6d2c7304719df92a796cfd7c7abc4b311ac884bcb23d00fdaff04af53a8d436458a1c224a3ebfe1e00a89c4475266927c51f6f06c1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}