{
  "manageEntity": {
    "action": "Repost",
    "entityId": "919646814",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa383c2b38715843f828969100fbfb5a4338129c6ace486576184bc576c089f51",
    "signature": "0xbcb8c5757fefbe2936eea1e328cdabff79fdfa62857e343a51748d1aca5e3626129bf457bc65802d54691151b0d18762c499969b309f15ddf172a84c188d154a1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}