{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1539616349",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0b30a91153e1251b87216c63657d0438f1ae0bc8c4eb3d0feb6a90584030bcf0",
    "signature": "0x0f84ae552f3d92dd00a87c321157201d343917fe4f2b21002a6e9d2c49b4c53967a88c641620c530d4d74b635762312f4b59c087dc7d234786e12870e19b22e41c",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}