{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1491208005",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4b55a83c7cbce9ceab0c3684869b6fb312a219f9aff62d54a0a016e8f3b133d9",
    "signature": "0x2a4ea3770a5c808325f8f02901f0e011ec4c970a06fbbd71b8ae0872dee093160d74af7278356a6e654680cf0f8aec840a689bcf98bf5a61020ec7df34b5e0df1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}