{
  "manageEntity": {
    "action": "Repost",
    "entityId": "667628419",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x453b0e5d05830d7187557fb120d9c1b2fee2597ae47d5ac1925a70f7c7d47f40",
    "signature": "0x47937ee5b0d5501cccf1348c7bd654ef0b6ec9b979ad98abd9c32945b3955a37540c617962c01449f0d0e839660ea796645d19fdff12272098933e5c4a93da9e1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}