{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1549912917",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x35535c6194df3b47954de1a2a2c64b96067751204f137bee6f5b41c67439ce91",
    "signature": "0x2f1ed65cb8b7c99b82e7148d3a0d54c948f94ac01a76385f92526e619c196b1a6ce0d78c9e5198052e02e7be8a31daa5a426fc70af64b13cdcee2d6e61a75f241b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}