{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1449523848",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe49519d501ae2f3f6cc302510fbb0c75a493e0ef71549aeadaa882fdcb5dcfca",
    "signature": "0xc552088337a19a421b44a0a0f22ab51256f677988da3695bea79a35e6b0301875f5ebd3f4dcbb32bc1686a62191cd7414b335b02bf6f077bb291f4869cc8e1bc1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}