{
  "manageEntity": {
    "action": "Repost",
    "entityId": "420253715",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd386bc6e9c2f4bc825f8a62eabb3359fcaaa8894d9f92d626e786ff926736326",
    "signature": "0xb257ee3cc479ba4bd5bb9eb98bbc729512a86ef5d0555da14f48e844016ff66b253ef2361c1a87d0a969f207c55fb18dbaf58ea71d9b98cbdbd5e69cca39f4b41c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}