{
  "manageEntity": {
    "action": "Repost",
    "entityId": "748863960",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4226123133b8cf9a130cfea660e223dfd9624ac55fd29fc123bc44952d08e6d1",
    "signature": "0xcbfde0f5adcdbe0e7452b41a507584800e66eb90ca3eb7ffeb6d709d192e1f200b46814ff7dc823d5cdd75a3601586fab8b7def41bf8aac5b4e6d16e43f7514a1c",
    "signer": "0x5D012C880480A2E1ab4345f6F374CFf73e040331",
    "userId": "10449019"
  }
}