{
  "manageEntity": {
    "action": "Repost",
    "entityId": "545399",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa9a943012a552b62773458bff64902319c275b7b775810908c066b9eee866320",
    "signature": "0x7c82997fb0f3c4e8bbe4bef8dc441c4cd6a075f7a2e6f74bd6d696428468b0ef37724379f11d102822101e866c952ebb6e44b7484a8613901e6a2f09a866c3b21b",
    "signer": "0x64B0DA55A684D51d3EF114Fe644eac7db132fDb7",
    "userId": "121304325"
  }
}