{
  "manageEntity": {
    "action": "Repost",
    "entityId": "777788419",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2b8802b52f9e5b782d3757ff7d2c35504cccb3376118a0f989daf8b644d811ea",
    "signature": "0xd57e5a4886a6a423aec2988a7b8d49339dd447a3700b15005453e0d5335a95086355d5fbef5d5d2990209ccfbdad9b4330d1583794229f94494562868bb59f1a1c",
    "signer": "0xC6f6979d7215C4611Cd7aDb30a42B2812294262c",
    "userId": "55290787"
  }
}