{
  "manageEntity": {
    "action": "Repost",
    "entityId": "124729",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x19a3cbd5f4a37b96dfe76a850cfee07dfef91283ba67f27ac8e4080a2cc3d1e5",
    "signature": "0x58a8512cc6585aab0c29a0cf85c3589492f3b7189fcfdd1d6efb624496ab92896f6cd07772c78e8043d64678af7bd9a7364dd11616b5f36e29e055ab7fe3407b1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}