{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1538890741",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x34dbcb3f7175bc93c72176faad28e24e456265c50760ddefa83b08fd2f07ddb2",
    "signature": "0x1847608c811ba57917874143e06baed9d97ce01dc2b7db9ecf43780e14691ebe24363c9f03d96dd6f7fcaa47ef6c1c2644ba233d257312f6acdd2cbd8a7dc61f1c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}