{
  "manageEntity": {
    "action": "Repost",
    "entityId": "57778593",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb03b30e517be66681d48c824e2c6688cf490536ee16fea8bd1983655ff907363",
    "signature": "0x0ce9b81cb29798945a85514c49d43a482959487d89c2eb8116b4e8dc621bea054f7e0d4dab899a7c075bb678494623449ce2f242aa2f4e7de3189430c0be4cd41b",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}