{
  "manageEntity": {
    "action": "Repost",
    "entityId": "762753",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x191e757b0dde50527e8cce1434b5c67ba939369bed1dba55c1bda94e26becf84",
    "signature": "0xb6e9fc9730d346b84dcf68071043824da1c49ce70fa7a3be0ea42546a1abd2842d3dbc988f1117237e6cceda078435ae59bd7a5b1b6b0a79ff1ff80c82f5cf7a1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}