{
  "manageEntity": {
    "action": "Repost",
    "entityId": "400873",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5f4dbe0fd3f03731bb219310f693692f1270219cb63ed87861bbad129c401fb7",
    "signature": "0x6af6b1b8be4514a0425717ea167b463e26fa19768b6dd908d1f3c0e6c57c6be437f55e70ae2f0ad08e10007d1f364c463f7cc0f4824b2931490616245ae534fe1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}