{
  "manageEntity": {
    "action": "Repost",
    "entityId": "290554",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8de7b91cbcf303b72e1c7f28869cc70ea3a693da968218c466a39ef89a6ae0aa",
    "signature": "0x58c964ee9e0364d76b833876515e4c2d645ac5efe9cd5c5cefefc1234a062db07060eb8129ceb3df21c6ab4325a338c60c774c0cd1082feb1f9271756c4cf8881b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}