{
  "manageEntity": {
    "action": "Repost",
    "entityId": "385739",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x55a72d3d68f38bc618ac77fd4a4449e2f39fdd1275398d45e360e665b8d00422",
    "signature": "0xf6abfd99eaae4b1f438262a12e110641a6a9b617598e219304f9870f8e962c56010c339b87bb221793699303955db5bac0a77c6ed452cb87e593b468d48a3d8d1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}