{
  "manageEntity": {
    "action": "Repost",
    "entityId": "644254650",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0a80c4ce16f98fee49af4e250626bfe5c0977d7bd27d79e5a7912d8050c4d294",
    "signature": "0x47daef5eecdfe2247cae2081329d16cd915c4589dd4e2a0e1d59cb1bbb9120ce453073bd3f75a69416d71e538a346993150e54c19238b907ea69023ad8bc65041c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}