{
  "manageEntity": {
    "action": "Repost",
    "entityId": "558773",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xeb0ad38c9ee90eeb1768e1955cfc3de3dcf71df98da4da994a4b38fa58f0e6e9",
    "signature": "0x1936d3d08c897313e9d0272a3ff04706a9d04727f40ef30a053198eeff6cb74269671ff639419605565889ecb6bb2ed2a7946ad32cce2169265683ece81970ca1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}