{
  "manageEntity": {
    "action": "Repost",
    "entityId": "757177766",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xfea43ac1c08864d141cd049844b08b6e09e77453f973dd0580c0f5a6b81801ff",
    "signature": "0x7463b6b3ee9b2d5cf9ca13757359ccb1dc5d13bba325972731a60788fa255c865b05103b396a48462826b94cd5e68e02602a72968522eaa6fbbd50f5cfa3c7371b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}