{
  "manageEntity": {
    "action": "Repost",
    "entityId": "398122067",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8cfcc259007f056d4b8fa0975ca099965b4b50bc73bf826ec6041933ce0d2e22",
    "signature": "0xe3ba41f46b677f949c0beb03e0d690b8468a0e049c11e0e066e098c29e259ffd3c66f5a36023b5c472559356554e9bb55161f39898f87ff940000516be9d2f0f1b",
    "signer": "0x44Fe9338D9d1405927C73FDA0be0F36ae481Cd39",
    "userId": "983568397"
  }
}