{
  "manageEntity": {
    "action": "Repost",
    "entityId": "684498",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd635129ed5ebb89d456f0ecd21d8fb2598d793e00545a2b5e62088645f8c74d7",
    "signature": "0x99858e9a4a73a6cbe39267a778843193e93525a2177e81aff40001d35f6ea97401d9cc98ec3a262d04e650231125724a89142a5277b2012f04b0caca8d28574d1b",
    "signer": "0xA27B00F57fC7B3E81c4d7C4919aCec97E1fCf667",
    "userId": "329513359"
  }
}