{
  "manageEntity": {
    "action": "Repost",
    "entityId": "599605",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd0d52b5ccdf05e37d614b41c7537f619d80cbbaeeb46cd10c9b546125613da6d",
    "signature": "0x137eb2e9d1786fafaa83d69b8d256c6781dc583538dc5dfe38aa10057d6e27ff63dd2fbd34317a6c20e6267ce2a25ef5a1fced9d0c12e7f63dc9250cfc3f27171b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}