{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1551745141",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xf9b78c940ab436d09e0adfa7e985284b2acb2cb7103bd3374e03a54c2c4d521b",
    "signature": "0x6b692eabd6df44c0d20a30ca3d41dc3989e20e6cb032f47697117abcd78cd2e04c2f5a1cd3f77864ede169128610e555179a5544b35116be0a58fa5cf786b4ae1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}