{
  "manageEntity": {
    "action": "Repost",
    "entityId": "257976",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9c5d4f6d210241ad5518398ff5bbe8f01b0649f188ce3d79654c123a74b79dc4",
    "signature": "0x24e71ddecfdcc91612a9185c8baef7b92a7b90b54c3f6e40dcc7031c9d749a5d7be266491d0407409733e647bec8cc87b87b39ddb967315a1efda45f05f07f291b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}