{
  "manageEntity": {
    "action": "Repost",
    "entityId": "573227133",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x804f7a53778514a0289529dedf1e6cf625099744f4db969b3853d129af00bad8",
    "signature": "0x37735147c1a5fcb824e85aabea105ced070062708ddcc9bf7b6c5686224ec52b3f7d5760e10ede27ba1714747413af7fc7ca5fce970b030760acd16dcb69ce071c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}