{
  "manageEntity": {
    "action": "Repost",
    "entityId": "648402",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8b34031188b4cb64225378a3906067825fc3b57f58c703a85100d63c982d456e",
    "signature": "0x4f89c15811ff85a1d99ceb6f6537240042c5e9955ae42ed2be236e3dbd46e78b46e93def2b87fb90605d57fa5e6447d17d0fbbf8319fbb4868241d14b9c23fcf1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}