{
  "manageEntity": {
    "action": "Repost",
    "entityId": "296378",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x403a3d28750a0a6d148b279113cc779763d64b84c2e8a168235d92fa2cf5855d",
    "signature": "0xd712421dded529bed7187e4ed4e9636bf4f1e446cba5b983db39a4031f5074b5473711e3e74819d89d64f535486c0edbba7cde11a4eb4ab4647bba38e8c4be551c",
    "signer": "0x4Aa8154A33F33394BA8De574d71aC98Ba6A47D5a",
    "userId": "645720561"
  }
}