{
  "manageEntity": {
    "action": "Repost",
    "entityId": "439358",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9e12239935aad02ab032d157d6b2a73ca1878eddec896952ac5586e5c5cb9c49",
    "signature": "0x1cc44d074002c8208a77cc4aee7d091d82eb84db9039b8709b5307174a821449382ef73194eb45340335b8cd5346bc0e6f7d073144264d10e89a9df89a7bc46e1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}