{
  "manageEntity": {
    "action": "Repost",
    "entityId": "838676225",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6e0fe8094c329908cffca24d05fbfbef635f22f5822531f97e5dbff847eafbee",
    "signature": "0x67e87bc19ad250db1e86106499aaa53ddab49ffd4c24acbf8e0f53b4b8610ba20b31349f29ebcfe79ccd39fc5ac6666040c50a021e8e05103a83b2ff4a2e3f2c1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}