{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1219619843",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3bb57ac0a2057415a7dec1fb7f95b69eed729ff8a550970a102fb28c66f6a7b1",
    "signature": "0xde81dcc2efbc515e7f7ee895d93c49f46e11c2bdb5eee907a73e1788bc7e08e777bf9c60019d7c72d00536c64efa896bc995651d346b080204ab4f5864cb033a1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}