{
  "manageEntity": {
    "action": "Repost",
    "entityId": "640809907",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x58c88446de2f64f70e82575f4054db36a339c9c4c8e43da297584590ed152f22",
    "signature": "0xc3a7d034dfe28bab4b914ad9974e559764d4fe506b274add1e4c196d7143e8be35556c6071e1ad24097538dcc0b1d37140d5a5e70a39339b7db3765f7b72c5281b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}