{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1377310775",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x73478fa859e836a63fcd28ec4c7691dca198a4b8b613c7402b4300a021d1f0df",
    "signature": "0xa6073cc0b0a678b4825a4444415ea31911c2d29cf926c2de336b2328c6e67483636e6ffaabda31f8d42dcff5914d18868f23de390264dee8bc76e30f597c18a41b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}