{
  "manageEntity": {
    "action": "Repost",
    "entityId": "404354",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9f65e661061bf11af9c798ee34fa155ac4f5baa46fedcffce3845be0c6202373",
    "signature": "0x3ae19c0eaf8687651c602ba24a3dc0014426095117250f810e3ea45b1d204af15973fcdd676fa2ef716f21c88dd0dbbbbcf3d8297fb6933b214fbdd29d7f09f01c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}