{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1556201304",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0e16860b4aced93cb447bdd53c64c02ac21dd83586118e6c39c3cffcd086d891",
    "signature": "0xf78942abda079f035f3699e0a3ea1fd97124460250090205b0cc1d5d983a2189440d57ef323da2194b777e3769bf0cb740a9ac494da9fbfbd28335439795271e1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}