{
  "manageEntity": {
    "action": "Repost",
    "entityId": "421673",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8c88b7a6dff67066942e9780ef8ddacfe6780444fbfd23936fa0788480b9dd04",
    "signature": "0xd02446fce71e8689ed06c9c02aa230aedd7caddfebcdd9e5f3d741279c991fe619dd5e63a1014ae178f014bb34fbd1f8f2bd79284bb4e6d545f19aee746afbee1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}