{
  "manageEntity": {
    "action": "Repost",
    "entityId": "558844961",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa507b6cd80b1fcfce619afac987e9dfd9dc3c0d2ff0e0b8a6bf15803f40a89f0",
    "signature": "0xd6f83b0a028b1572225346bd282db58471e57e00fe085ad15dfb5cc5850514566a21de1ec0dc6811b49edbe34af7acf4b8923eafe6c3e12d3055a1e72c4da57b1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}