{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1388967441",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe6c7f8b64a01fc8234dfa82ee66a9e340e89e2fd8dfc71d1de5dda9f391bced5",
    "signature": "0x55a1f188d96266c8a2dd197d78ebd2399fa1870900d1c5e6b258a9279f1784e672ad394d517ce421a48e720bc05199f783e22b6b1d5f529da6f65ab4b73f70d01c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}