{
  "manageEntity": {
    "action": "Repost",
    "entityId": "552269297",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1c309e117cf9b589467c952d7b916e2fd47efb114dac13377526eeea04a5a996",
    "signature": "0xc164f3798ca1cc06735e2c9adb3cdd478ab4ff6ddf624bd9bcb32eed5417e20427a9e4dda73b3872353f8decbdfb68cb18c93ed29ab8faa27d73250765388eb91b",
    "signer": "0x5D012C880480A2E1ab4345f6F374CFf73e040331",
    "userId": "10449019"
  }
}