{
  "manageEntity": {
    "action": "Repost",
    "entityId": "38904",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xefa2490714cbb941a1ae26efd5b3ae57975056e1a95fe697bb861c931a1cf804",
    "signature": "0x0c17afdc7ff332aafbf4637acaf8217855f3c69f7ed113d4f7b9b51fce0926bf35588705307f66f4af7faaa00c133276c9a2cc05c1f6a89503b7b3dd8263eadc1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}