{
  "manageEntity": {
    "action": "Repost",
    "entityId": "504509437",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe0fd008162864d6fc22c7533a3527282e1bba07c98fc4cc0bb084b3cea89a777",
    "signature": "0x465453fc69ec60bbd71a22157d32f2135d583b9f20426a9b361b466d7e8ad242616f8ededa1b8df3043eea809c92d463389463f9af7c313a7bd0ad59326a5d551b",
    "signer": "0xb1B522e4c290853bC2ABb1D802d311A7EB1e696B",
    "userId": "94334210"
  }
}