{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1551486389",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8d9fcb9d31929129e7b4c0ea94d05f68a6dd923073e6ccf0201739f6238784b5",
    "signature": "0xf6e84b719cc6af1324ff5e80826ad3fce353ad1056445d646e81e25ced2bb7f839854e7c1c87f6cb7b6f416f2d12bc74fa4b8c81242e3f65b2bc6bbae7eb4e5e1c",
    "signer": "0xd708949D0521A856Ca6eB44B4112bAEE59741ADD",
    "userId": "490478463"
  }
}