{
  "manageEntity": {
    "action": "Repost",
    "entityId": "396712",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8f2ccabbceeda0ed1464d96fa82b8304f3ae2c59d84bac3542cbf818eb4c25e8",
    "signature": "0x62ddaf9af16a173b70bee4394e176ac31d673f3ad9882724e945fec152a47b0d520fff3b96521ce1b9772b46d379cc83286c983206cd7bf51e82e63e987810a11b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}