{
  "manageEntity": {
    "action": "Repost",
    "entityId": "516103172",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x63b509de48831f7fe6b032b4933688008d94c8d288036375e12a39b85509d82f",
    "signature": "0x78412534e6e1b7bbabf98b6cb996f77b3f4cd988810b93fe5f28694c8fb553e948c009a24fdc9b6272bfb2970cadb591eada3d7ecd774e3822defee4631e5cd91c",
    "signer": "0x4921e42cC5B75DC8a77d26eC8a762a282A16707E",
    "userId": "841756759"
  }
}