{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "1217709385",
    "entityType": "Track",
    "nonce": "0x7895af7b310122a5782338ebd21db48658ca86a4a7facb1f82ad0fc698a8941b",
    "signature": "0x040406f8551cfa1fa459edf2a1249467c371a9f643cb4c8c0fb6cc64ea8ee05d1d4222cac49b4438964327c57e8fb977451a3e2e8083fdf3350fc847f8c9a53a1b",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}