{
  "manageEntity": {
    "action": "Repost",
    "entityId": "503418607",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5232c87c38e32f25ffa888b9426ff5de069a65b430895c649ac9b1883de32e4d",
    "signature": "0xf2699611da3bc1746d1f4d1c931add9581c819bf9c22d764697671b0ccd38eb8221167f58bbb40835f419ff5d36d37823ce73b13d488ed91e4fb30439264e8281b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}