{
  "manageEntity": {
    "action": "Repost",
    "entityId": "642654059",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x78a30bb935eaa772881e633c1a41da89cbef54cea4ffe45802167a4b1e535351",
    "signature": "0x17c5802817d940937f01c15d4c0ed6ea8d49b1579b4482b17c865390bcf35b27151f05a92f0888ccd8bafe258b5ecbd40325acba12900bbe1954ba67bd9775761c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}