{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1299310924",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x60490e6fd7b58494936eb083f93e6c91be9b7487a15c930d7a011e1ce9b4ce6a",
    "signature": "0x52cf0d6132ae2fd06d3411e3c4921ffbcb15625ff057197e1edd8f0d6cdf4a163cad0d3ec5ae4c19be1e09942fa15cd27ea01539a537d7527be50ced01d1b5aa1b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}