{
  "manageEntity": {
    "action": "Repost",
    "entityId": "388643",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x09501d16960292cca4f4c48307fddb36a234aeaf6d01a2df5906d94f67af0e5e",
    "signature": "0xd973d188904bbd270a8a8d972a674dd12ece88bfdd49478520cde04717b8ceac3dff030c57cfebd7dae4eea2080574399ffc6c9ef5a6ac5506bd04ab843ef3621b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}